3.7v 14500 800mAh Lithium-ion Rechargeable Battery for security alarm system, Bluetooth device, LED flashlight
| Model | VTC-14500 |
| Nominal Voltage | 3.7V |
| Capacity | 800mAh |
| Max Size | 14.4*50.3mm |
| Operating Temperature | -20℃ to 60℃ |
| Standard Charge Rate | 0.2C |
| Standard Discharge Rate | 0.2C |
| Weight | 19.5g |
14500 3.7V 800mAh Rechargeable Battery for RFID Tracking, Wireless Sensors & Alarm Systems
The 14500 800mAh rechargeable lithium-ion battery is a standard AA-size cell (approx. 14×50mm) with a nominal voltage of 3.7V, offering high energy density, stable output, and low self-discharge. It is widely used in smart metering devices, security systems, RFID tracking, and various portable electronics where compact and reliable power is required. VTCBATT leverages advanced automated production lines and strict quality control processes to ensure consistent cell matching, stable performance, and safe operation. With strong OEM/ODM capabilities, VTCBATT supports customized specifications, labeling, and packaging, providing reliable bulk supply for global industrial applications.
Full Certification & Extended Warranty
VTCBATT Lithium ion batteries meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.
CertificationVTCBATT lithium polymer batteries have passed numerous important international certifications, including UL1642, IEC62133, UN38.3, CE, ROHS, BIS and EU2024/1542, CE, ROHS, REACH, and KC certifications.
WarrantyVTCBATT Lithium batteries come with a 14-month warranty, 2 months longer than the standard 12-month warranty, providing extra coverage for shipping and customs clearance. This ensures customer confidence.
CustomizationDifferent sizes,capacities, connectors, discharge rates,and cases. Just inform us of your specific requirement, and our professional engineers can provide you with the customized Lithium battery proposal.

Flexible order quantity to support prototype testing and mass production.

Our technical and sales teams reply to your inquiry within 6 hours.

Test our lithium battery quality and performance before placing bulk orders.
Batteries certified to UL, CE, UN38.3, MSDS, ROHS, IEC62133, and more global standards.
AA Size, Precise Compatibility
Standard 14500 (AA) format, ideal for specific 3V devices, including vintage film cameras and professional measurement tools.


10-Year Ultra-Long Shelf Life
Highlights the low self-discharge characteristics of lithium batteries, making them suitable as emergency reserves for long-term standby.
Fearless in Extreme Cold and Heat
Demonstrates their stable power supply capability in extreme environments ranging from -40°C to +60°C, suitable for outdoor explorations and field sensors.

Why Choose VTCBATT?
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application
The VTCBATT 3.7V 800mAh 14500 lithium-ion rechargeable battery is widely used in IoT devices and smart systems that require compact size, stable voltage, and reliable power output. With its standard AA cylindrical design, it is ideal for smart water meters, gas meters, RFID trackers, wireless sensors, and security devices. This battery supports customized capacity, voltage, and protection solutions to match specific application requirements. Featuring low self-discharge, long cycle life, and stable performance, the VTCBATT 14500 battery ensures efficient operation, extended service life, and dependable power for both industrial and consumer applications.

















